utils: add osmo_separated_identifiers_valid()
For validating CTRL input, we want to verify that an input variable is a series
of valid osmo_identifier_valid() separated by dots. Allow validating any
additional chars with identifiers, for CTRL vars will be just ".".
Change-Id: I13dfd02c8c870620f937d789873ad84c6b1c45de
diff --git a/include/osmocom/core/utils.h b/include/osmocom/core/utils.h
index 5c660cd..0973b4c 100644
--- a/include/osmocom/core/utils.h
+++ b/include/osmocom/core/utils.h
@@ -118,5 +118,6 @@
bool require_even);
bool osmo_identifier_valid(const char *str);
+bool osmo_separated_identifiers_valid(const char *str, const char *sep_chars);
/*! @} */